Digital Electronics MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Digital Electronics, a fundamental topic in the field of Electronics and Communication Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Digital Electronics MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Digital Electronics mcq questions that explore various aspects of Digital Electronics problems. Each MCQ is crafted to challenge your understanding of Digital Electronics principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Electronics and Communication Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Digital Electronics MCQs are your pathway to success in mastering this essential Electronics and Communication Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Digital Electronics. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Digital Electronics knowledge to the test? Let's get started with our carefully curated MCQs!

Digital Electronics MCQs | Page 60 of 117

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Q591.
ADC 0804 is a

a.

dual slope A/D converter

b.

single slope A/D converter

c.

successive approximation A/D converter

d.

either (a) or (b)

Discuss
Answer: (c).successive approximation A/D converter
Q592.
Assertion (A): BCD code is used in pocket calculators

Reason (R): BCD code is slower than binary.

a.

Both A and R are correct and R is correct explanation of A

b.

Both A and R are correct but R is not correct explanation of A

c.

A is true, R is false

d.

A is false, R is true

Discuss
Answer: (b).Both A and R are correct but R is not correct explanation of A
Q593.
In TTL the transistors are driven into and out of saturation.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (a).True
Q594.
The most commonly used logic family is

a.

ECL

b.

TTL

c.

CMOS

d.

PMOS

Discuss
Answer: (b).TTL
Q595.
In a JK master slave flip flop

a.

master is clocked when clock is low

b.

slave is clocked when clock is high

c.

master is clocked when clock is high and slave is clocked when clock is low

d.

master is clocked when clock is low and slave is clocked when clock is high

Discuss
Answer: (c).master is clocked when clock is high and slave is clocked when clock is low
Q596.
A semiconductor Read-only-Memory basically is

a.

a combinational logic circuit

b.

a set of flip-flop memory elements

c.

a sequential circuit with flip-flops and gates

d.

none of the above

Discuss
Answer: (a).a combinational logic circuit
Q597.
A 4 bit counter with four flip-flops will count upto decimal

a.

8

b.

15

c.

31

d.

63

Discuss
Answer: (b).15
Q598.
Out of the following memory types, one that is volatile is

a.

ferrite-core

b.

semiconductor RAM

c.

semiconductor ROM

d.

magnetic disc

Discuss
Answer: (b).semiconductor RAM
Q599.
A number given in binary as 0101.01 is to be scaled up 4 times. The scaled up binary is

a.

10101

b.

01.0101

c.

0404.04

d.

010.101

Discuss
Answer: (a).10101
Q600.
The problem of logic race occurs in

a.

SOP functions

b.

POS functions

c.

Hybrid function

d.

SOP and POS functions

Discuss
Answer: (c).Hybrid function
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